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The first of the three laws of motion formulated by Newton (1642-1726) says that every object in a state of uniform motion remains in that state unless an external force is applied. This is essentially a reformulation of Galileo's inertia concept.

The equations are as follows: v=u+at,s=(u+v2)t,v2=u2+2as,s=ut+12at2,s=vt?12at2.

The three equations are, v = u + at. v² = u² + 2as. s = ut + ½at²

The following are the three equation of motion: First Equation of Motion: v = u + at. Second Equation of Motion: s = ut + 1/2(at2) Third Equation of Motion: v2 = u2 ? 2as.

A: The first equation of motion, v = u + is referred to as the velocity-time relation. On the other hand, the second equation of motion is s = ut + 1 / 2at2 can be called the position-time relation. Likewise, we call the third equation of motion, v2 = u2+ 2as, position ? velocity relation.

Hence, v = u + a t is the first equation of motion.

V = u + a t , s = ( u + v 2 ) t , v 2 = u 2 + 2 a s , s = u t + 1 2 a t 2 , s = v t ? 1 2 a t 2 . The quantities s , u , v and a are all vector quantities so therefore their sign represents the direction of motion.

The second equation of motion gives the position-time relation, i.e. s = ut + (1/2) at2. Here, v is the final velocity, u is the initial velocity, a is the acceleration and t is the time.

In the same manner fourth equation of motion[S = vt ? ½ at2] and fifth equation of motion [S = ½ (u + v) × t] is also derived from velocity-time graph.

The first of the three laws of motion formulated by Newton (1642-1726) says that every object in a state of uniform motion remains in that state unless an external force is applied. This is essentially a reformulation of Galileo's inertia concept.